[1]牛新勇,常春,韩秀丽,等.氮掺杂活性炭对环丙沙星的吸附性能与机理[J].郑州大学学报(工学版),2023,44(04):94-100,106.[doi:10.13705/j.issn.1671-6833.2023.01.007]
　NIU Xinyong,CHANG Chun,HAN Xiuli,et al.Study on Adsorption Performance of Nitrogen-doped Activated Carbon for Ciprofloxacin[J].Journal of Zhengzhou University (Engineering Science),2023,44(04):94-100,106.[doi:10.13705/j.issn.1671-6833.2023.01.007]
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氮掺杂活性炭对环丙沙星的吸附性能与机理()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
44
期数:
2023年04期
页码:
94-100,106
栏目:
出版日期:
2023-06-01

文章信息/Info

Title:
Study on Adsorption Performance of Nitrogen-doped Activated Carbon for Ciprofloxacin
作者:
牛新勇1; 常春1; 韩秀丽1; 宋建德2
1.郑州大学 化工学院,河南 郑州 450001, 2.河南省生物基化学品绿色制造重点实验室,河南 濮阳 457000

Author(s):
NIU Xinyong1;  CHANG Chun1;  HAN Xiuli1 ; SONG Jiande2
1.School of Chemical Engineering, Zhengzhou University, 450001, Zhengzhou, Henan, 2.Key Laboratory of Green Manufacturing, Henan Biochemical Chemicals, Henan Puyang 457000

关键词:
氮掺杂活性炭;  吸附;  响应面分析法;  环丙沙星;  柚子皮
Keywords:
nitrogen-doped activated carbon;  adsorption;  response surface methodology;  ciprofloxacin;  shaddock peel
分类号:
X703.1
DOI:
10.13705/j.issn.1671-6833.2023.01.007
文献标志码:
A
摘要:
针对环丙沙星(CIP)在生产与使用过程中产生大量含有环丙沙星废水的问题,以柚子皮为原料,经水热碳化氮掺杂 和氢氧化钾活化制备了氮掺杂活性炭(NAC) ,用以处理含有环丙沙星的废水。 采用响应面法中的 Box-Behnken 中心组合设计 模型对 NAC 吸附 CIP 的吸附条件进行优化。 研究结果表明,Langmuir 以及 Koble-Corrigan 等温模型能很好地描述 NAC 的吸附 平衡数据,NAC 对 CIP 的吸附过程符合准二级动力学方程。 此外,CIP 在 NAC 上的吸附主要受氢键、π-π 相互作用、疏水效 应、静电作用和路易斯酸碱效应的影响。 在 298 K 时,NAC 对 CIP 的最大单层吸附量为 752. 05 mg / g,表明 NAC 是一种具有广 泛应用前景的处理 CIP 废水的吸附剂。
Abstract:
Aiming at the problem that ciprofloxacin ( CIP ) generated a large amount of ciprofloxacin-containing wastewater in the production and use process, an nitrogen-doped activated carbon (NAC) was prepared from shaddock peel by hydrothermal carbonization and activation with potassium hydroxide to treat ciprofloxacin-containing wastewater. The Box-Behnken central composite design( BBD) of response surface methodology was used to optimize the adsorption conditions of NAC. The result showed that the equilibrium data were perfectly represented by Langmuir and Koble-Corrigan isotherms, and the adsorption process was precisely described by the pseudo-secondorder kinetic model. Besides, the adsorption of CIP on NAC was mainly controlled by hydrogen-bonding, π-π electron-donor-acceptor(EDA) interaction, hydrophobic effect, electrostatic interaction and Lewis acid-base effect. The maximum monolayer adsorption capacity of CIP was 752. 05 mg / g at 298 K, implying that NAC was a promising adsorbent for the removal of CIP from aqueous solution.

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更新日期/Last Update: 2023-07-01